There are many benefits of cataract surgery for the elderly, such as preventing the occurrence of blindness, reducing the risk of injury to the elderly, and facilitating the psychological health of the elderly. 1. Preventing the occurrence of blindness: cataract is a common cause of blindness in the elderly. Elderly people who meet the indications for surgery and have no obvious contraindications to surgery are recommended to undergo surgical treatment, otherwise the condition will continue to aggravate and the patient may become blind. 2. Reducing the risk of injury for the elderly: cataract surgery for the elderly can help improve vision and avoid accidents such as bumps and bruises due to vision loss. 3. Benefit the mental health of the elderly: Cataract surgery can easily affect the normal social life of the elderly and their mental health due to visual problems. Therefore, cataract surgery is beneficial to the mental health of the patients as it improves their vision. It is recommended that cataract patients should consult a doctor in time to assess their condition and follow the doctor’s instructions to avoid delaying their condition.